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# host.py - lookup functions for host names and addresses
#
# Copyright (C) 2011 Arthur de Jong
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA
import constants
import common
import struct
import ldap.filter
import socket
class HostRequest(common.Request):
filter = '(objectClass=ipHost)'
attmap_cn = 'cn'
attmap_ipHostNumber = 'ipHostNumber'
attributes = ( 'cn', 'ipHostNumber' )
def write(self, entry):
dn, attributes = entry
hostname = common.get_rdn_value(entry, self.attmap_cn)
hostnames = attributes.get(self.attmap_cn, [])
if not hostnames:
print 'Error: entry %s does not contain %s value' % ( dn, self.attmap_cn )
if not hostname:
hostname = hostnames.pop(0)
elif hostname in hostnames:
hostnames.remove(hostname)
addresses = attributes.get(self.attmap_ipHostNumber, [])
if not addresses:
print 'Error: entry %s does not contain %s value' % ( dn, self.attmap_ipHostNumber )
# write result
self.fp.write_int32(constants.NSLCD_RESULT_BEGIN)
self.fp.write_string(hostname)
self.fp.write_stringlist(hostnames)
self.fp.write_int32(len(addresses))
for address in addresses:
self.fp.write_address(address)
class HostByNameRequest(HostRequest):
action = constants.NSLCD_ACTION_HOST_BYNAME
def read_parameters(self):
self.name = self.fp.read_string()
def mk_filter(self):
return '(&%s(%s=%s))' % ( self.filter,
self.attmap_cn, ldap.filter.escape_filter_chars(self.name) )
class HostByAddressRequest(HostRequest):
action = constants.NSLCD_ACTION_HOST_BYADDR
def read_parameters(self):
self.address = self.fp.read_address()
def mk_filter(self):
return '(&%s(%s=%s))' % ( self.filter,
self.attmap_ipHostNumber,
ldap.filter.escape_filter_chars(self.address) )
class HostAllRequest(HostRequest):
action = constants.NSLCD_ACTION_HOST_ALL
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